PHYSICAL NORTH AMERICA

PHYSICAL NORTH AMERICA

The north america continent can be divided into a number of major structural areas ,the western cordillera ,the canadian shield ,the great plains and central lowlands ,and the appalachians . Other smaller regions include the gulf atlantic coastal plain which borders and southern coast of north america from the southern appalachians to the great plains . This area include the expanding mississippi delta . A chain of volcanic islands ,running in an arc around the margin of the caribbean plate ,lie to the east of the gulf of maxico .